Bump src/stager

Bump cloudfoundry-incubator/stager:
  Max Brunsfeld:
     Bump runtime-schema for cc messages ( Travis created: https://travis-ci.org/cloudfoundry-incubator/stager/builds/34954142 )
Bump src/nsync

Bump cloudfoundry-incubator/nsync:
  Max Brunsfeld:
     Bump runtime-schema for new cc_messages ( Travis Success: https://travis-ci.org/cloudfoundry-incubator/nsync/builds/34958743 )
Merge remote-tracking branch 'origin/develop' into develop
Bump src/inigo

Bump cloudfoundry-incubator/inigo:
  Max Brunsfeld:
     Fix test after removing omitempty from stager response
Make diego-release/src resemble a Go workspace

[#78292566]

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>
Fix path to etcd submodule

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>
Create final release 0.356 for build 110